PMC:1087847 / 218-235 JSONTXT

{"project":"craft-sa-dev","denotations":[{"id":"T297","span":{"begin":0,"end":8},"obj":"NN"},{"id":"T298","span":{"begin":9,"end":11},"obj":"IN"},{"id":"T299","span":{"begin":12,"end":16},"obj":"NN"},{"id":"T301","span":{"begin":16,"end":17},"obj":"HYPH"}],"relations":[{"id":"R39","pred":"prep","subj":"T298","obj":"T297"}],"text":"presence of Ca2+-"}